SPRAY BOOM Russian patent published in 2015 - IPC A01M7/00 

FIELD: agriculture.

SUBSTANCE: invention relates to the agricultural industry, in particular to devices for processing of field crops with solutions of fertilizers and pesticides. The spray boom comprises the middle and side parts, hinge-bearing units, thrusts and hitch attachment. The middle and side parts are pivotally interconnected. The hitch attachment is made parallelogram-pendulum. The parallelogram part is made in the form of a rocker. The ends of the rocker are connected through the thrusts with the hinge-bearing units. The thrusts have the variable length. The pendulum part is made in the form of an eye bar. One side of the eye bar is connected by the bearing unit to the centre of the rocker. The other side of the eye bar is rigidly connected to the rack of the upper support of the hitch attachment.

EFFECT: simplified construction of the boom, increased reliability due to stabilization of the plane-parallel motion of the boom.

2 cl, 1 dwg